What are the best practices for implementing CORS?
An example of an AI chatbot conversation about CORS best practices for web development.
What are the best practices for implementing CORS in my web application?
The best practices for implementing CORS include specifying allowed origins, using credentials wisely, and handling preflight requests.
Can you explain what preflight requests are?
Preflight requests are HTTP OPTIONS requests sent before the actual request to check if the CORS protocol is understood.
How do I configure CORS in an Express.js application?
In Express.js, you can use the 'cors' middleware to easily configure CORS settings for your application.
Are there any security risks associated with CORS?
Yes, misconfigured CORS can lead to security vulnerabilities, such as exposing sensitive data to unauthorized domains.
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